Although the ballizing process is simple and effective, it has not been given much attention due to the lack of information available.Especially about the thin wall holes, there is less information.

• 虽然球推压法既简单又有效,但仍未得到足够的重视,主要是因为资料欠缺,特别是薄壁件的加工,资料更欠缺。